| Message ID | 1494308190-3687-1-git-send-email-mike.looijmans@topic.nl (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
On Tue, May 09, 2017 at 07:36:30AM +0200, Mike Looijmans wrote: > This adds the devicetree bindings documentation for the LTC3651 battery charger. > > Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> > --- > v2: Add "lltc," vendor prefix to gpios > Expand irq paragraph > > .../bindings/power/supply/ltc3651-charger.txt | 27 ++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/ltc3651-charger.txt Acked-by: Rob Herring <robh@kernel.org>
Hi Mike, On Tue, May 09, 2017 at 07:36:30AM +0200, Mike Looijmans wrote: > This adds the devicetree bindings documentation for the LTC3651 battery charger. > > Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Thanks, queued. -- Sebastian > --- > v2: Add "lltc," vendor prefix to gpios > Expand irq paragraph > > .../bindings/power/supply/ltc3651-charger.txt | 27 ++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/ltc3651-charger.txt > > diff --git a/Documentation/devicetree/bindings/power/supply/ltc3651-charger.txt b/Documentation/devicetree/bindings/power/supply/ltc3651-charger.txt > new file mode 100644 > index 0000000..71f2840 > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/supply/ltc3651-charger.txt > @@ -0,0 +1,27 @@ > +ltc3651-charger > + > +Required properties: > + - compatible: "lltc,ltc3651-charger" > + - lltc,acpr-gpios: Connect to ACPR output. See remark below. > + > +Optional properties: > + - lltc,fault-gpios: Connect to FAULT output. See remark below. > + - lltc,chrg-gpios: Connect to CHRG output. See remark below. > + > +The ltc3651 outputs are open-drain type and active low. The driver assumes the > +GPIO reports "active" when the output is asserted, so if the pins have been > +connected directly, the GPIO flags should be set to active low also. > + > +The driver will attempt to aquire interrupts for all GPIOs to detect changes in > +line state. If the system is not capabale of providing interrupts, the driver > +cannot report changes and userspace will need to periodically read the sysfs > +attributes to detect changes. > + > +Example: > + > + charger: battery-charger { > + compatible = "lltc,ltc3651-charger"; > + lltc,acpr-gpios = <&gpio0 68 GPIO_ACTIVE_LOW>; > + lltc,fault-gpios = <&gpio0 64 GPIO_ACTIVE_LOW>; > + lltc,chrg-gpios = <&gpio0 63 GPIO_ACTIVE_LOW>; > + }; > -- > 1.9.1 >
diff --git a/Documentation/devicetree/bindings/power/supply/ltc3651-charger.txt b/Documentation/devicetree/bindings/power/supply/ltc3651-charger.txt new file mode 100644 index 0000000..71f2840 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/ltc3651-charger.txt @@ -0,0 +1,27 @@ +ltc3651-charger + +Required properties: + - compatible: "lltc,ltc3651-charger" + - lltc,acpr-gpios: Connect to ACPR output. See remark below. + +Optional properties: + - lltc,fault-gpios: Connect to FAULT output. See remark below. + - lltc,chrg-gpios: Connect to CHRG output. See remark below. + +The ltc3651 outputs are open-drain type and active low. The driver assumes the +GPIO reports "active" when the output is asserted, so if the pins have been +connected directly, the GPIO flags should be set to active low also. + +The driver will attempt to aquire interrupts for all GPIOs to detect changes in +line state. If the system is not capabale of providing interrupts, the driver +cannot report changes and userspace will need to periodically read the sysfs +attributes to detect changes. + +Example: + + charger: battery-charger { + compatible = "lltc,ltc3651-charger"; + lltc,acpr-gpios = <&gpio0 68 GPIO_ACTIVE_LOW>; + lltc,fault-gpios = <&gpio0 64 GPIO_ACTIVE_LOW>; + lltc,chrg-gpios = <&gpio0 63 GPIO_ACTIVE_LOW>; + };
This adds the devicetree bindings documentation for the LTC3651 battery charger. Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> --- v2: Add "lltc," vendor prefix to gpios Expand irq paragraph .../bindings/power/supply/ltc3651-charger.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/supply/ltc3651-charger.txt